Index - N
| Nav | Data.BalBST |
| nav | Data.BalBST |
| Negative | Data.PlanarGraph.Dart, Data.PlanarGraph |
| neighboursOf | Data.PlanarGraph.Core, Data.PlanarGraph |
| next | Data.Permutation |
| nextEdge | Data.PlanarGraph.Dual, Data.PlanarGraph |
| nextIncidentEdge | Data.PlanarGraph.Core, Data.PlanarGraph |
| nextSibling | Data.Tree.Util |
| Nil | Data.BinaryTree |
| Node | |
| 1 (Data Constructor) | Data.BalBST |
| 2 (Data Constructor) | Data.BinaryTree |
| node | Data.BinaryTree |
| NoIntersection | |
| 1 (Type/Class) | Data.Intersection |
| 2 (Data Constructor) | Data.Intersection |
| NoKey | |
| 1 (Data Constructor) | Data.OrdSeq |
| 2 (Data Constructor) | Data.SlowSeq |
| nonEmptyIntersection | Data.Intersection |
| nonEmptyTails | Data.Util |
| null | Data.BalBST |
| numDarts | Data.PlanarGraph.Core, Data.PlanarGraph |
| numEdges | Data.PlanarGraph.Core, Data.PlanarGraph |
| numFaces | Data.PlanarGraph.Core, Data.PlanarGraph |
| numVertices | Data.PlanarGraph.Core, Data.PlanarGraph |